1987 Alfa Romeo 75 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 19 year(s). Which means there will be less support and parts availability for 1987 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1987 Alfa Romeo 75 would be higher. At 2,959 cc (6 cylinders), 1987 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1987 Alfa Romeo 75 (182 HP @ 5800 RPM) has 64 more horse power than 2006 Opel Signum. (118 HP @ 4000 RPM). In normal driving conditions, 1987 Alfa Romeo 75 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 403 kg more than 1987 Alfa Romeo 75.
Because 1987 Alfa Romeo 75 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1987 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Opel Signum (281 Nm @ 2000 RPM) has 41 more torque (in Nm) than 1987 Alfa Romeo 75. (240 Nm @ 4500 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 Alfa Romeo 75.
Compare all specifications:
| 1987 Alfa Romeo 75 | 2006 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Signum |
| Year Released | 1987 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 182 HP | 118 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 240 Nm | 281 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 82 mm |
| Engine Stroke Size | 72.6 mm | 90.4 mm |
| Top Speed | 216 km/hour | 191 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 12.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1212 kg | 1615 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 60 L |
